/** Draws a Myth/FF7 style viewing window */
static void setViewingWindow()
{
float pixSizeH, pixSizeV;
Vector3i v[4], tv[4], centre;
int shortX, longX, yDrop, yDropVar;
int dif = getDistanceAdjust();
int dif2 = getLengthAdjust();
PIELIGHT colour;
CalcRadarPixelSize(&pixSizeH, &pixSizeV);
int x = player.p.x * pixSizeH / TILE_UNITS;
int y = player.p.z * pixSizeV / TILE_UNITS;
shortX = ((visibleTiles.x / 4) - (dif / 6)) * pixSizeH;
longX = ((visibleTiles.x / 2) - (dif / 4)) * pixSizeH;
yDropVar = ((visibleTiles.y / 2) - (dif2 / 3)) * pixSizeV;
yDrop = ((visibleTiles.y / 2) - dif2 / 3) * pixSizeV;
v[0].x = longX;
v[0].y = -yDropVar;
v[1].x = -longX;
v[1].y = -yDropVar;
v[2].x = shortX;
v[2].y = yDrop;
v[3].x = -shortX;
v[3].y = yDrop;
centre.x = x - scrollMinX * pixSizeH;
centre.y = y - scrollMinY * pixSizeV;
RotateVector2D(v, tv, ¢re, player.r.y, 4);
switch (getCampaignNumber())
{
case 1:
case 2:
// white
colour.byte.r = UBYTE_MAX;
colour.byte.g = UBYTE_MAX;
colour.byte.b = UBYTE_MAX;
colour.byte.a = 0x3f;
break;
case 3:
// greenish
colour.byte.r = 0x3f;
colour.byte.a = 0x3f;
colour.byte.g = UBYTE_MAX;
colour.byte.b = 0x3f;
default:
// black
colour.rgba = 0;
colour.byte.a = 0x3f;
break;
}
/* Send the four points to the draw routine and the clip box params */
pie_SetViewingWindow(tv, colour);
}
/** Given a position within the radar, return a world coordinate. */
void CalcRadarPosition(int mX, int mY, int *PosX, int *PosY)
{
int sPosX, sPosY;
float pixSizeH, pixSizeV;
Vector2f pos;
pos.x = mX - radarCenterX;
pos.y = mY - radarCenterY;
if (rotateRadar)
{
pos = Vector2f_Rotate2f(pos, -player.r.y);
}
pos.x += radarWidth / 2.0;
pos.y += radarHeight / 2.0;
CalcRadarPixelSize(&pixSizeH, &pixSizeV);
sPosX = pos.x / pixSizeH; // adjust for pixel size
sPosY = pos.y / pixSizeV;
sPosX += scrollMinX; // adjust for scroll limits
sPosY += scrollMinY;
#if REALLY_DEBUG_RADAR
debug(LOG_ERROR, "m=(%d,%d) radar=(%d,%d) pos(%d,%d), scroll=(%u-%u,%u-%u) sPos=(%d,%d), pixSize=(%f,%f)",
mX, mY, radarX, radarY, posX, posY, scrollMinX, scrollMaxX, scrollMinY, scrollMaxY, sPosX, sPosY, pixSizeH, pixSizeV);
#endif
// old safety code -- still necessary?
sPosX = clip(sPosX, scrollMinX, scrollMaxX);
sPosY = clip(sPosY, scrollMinY, scrollMaxY);
*PosX = sPosX;
*PosY = sPosY;
}
void drawRadar(void)
{
float pixSizeH, pixSizeV;
ASSERT(radarBuffer, "No radar buffer allocated");
if (!radarBuffer)
{
return;
}
CalcRadarPixelSize(&pixSizeH, &pixSizeV);
if (frameSkip <= 0)
{
bool filter = true;
if (!rotateRadar)
{
filter = RadarZoom % 16 != 0;
}
DrawRadarTiles();
DrawRadarObjects();
pie_DownLoadRadar(radarBuffer, radarTexWidth, radarTexHeight, filter);
frameSkip = RADAR_FRAME_SKIP;
}
frameSkip--;
pie_SetRendMode(REND_ALPHA);
pie_MatBegin();
pie_TRANSLATE(radarCenterX, radarCenterY, 0);
if (rotateRadar)
{
// rotate the map
pie_MatRotZ(player.r.y);
DrawNorth();
}
// draw the box at the dimensions of the map
iV_TransBoxFill(-radarWidth/2.0 - 1,
-radarHeight/2.0 - 1,
radarWidth/2.0,
radarHeight/2.0);
pie_RenderRadar(-radarWidth/2.0 - 1,
-radarHeight/2.0 - 1,
radarWidth,
radarHeight);
pie_MatBegin();
pie_TRANSLATE(-radarWidth/2 - 1, -radarHeight/2 - 1, 0);
DrawRadarExtras(0, 0, pixSizeH, pixSizeV);
pie_MatEnd();
drawRadarBlips(-radarWidth/2.0 - 1, -radarHeight/2.0 - 1, pixSizeH, pixSizeV);
pie_MatEnd();
}
void drawRadar()
{
float pixSizeH, pixSizeV;
CalcRadarPixelSize(&pixSizeH, &pixSizeV);
ASSERT_OR_RETURN(, radarBuffer, "No radar buffer allocated");
// Do not recalculate frustum window coordinates if position or zoom does not change
if (playerpos.x != player.p.x || playerpos.y != player.p.y || playerpos.z != player.p.z)
{
setViewingWindow();
}
playerpos = player.p; // cache position
if (frameSkip <= 0)
{
DrawRadarTiles();
DrawRadarObjects();
pie_DownLoadRadar(radarBuffer);
frameSkip = RADAR_FRAME_SKIP;
}
frameSkip--;
pie_SetRendMode(REND_ALPHA);
pie_MatBegin();
pie_TRANSLATE(radarCenterX, radarCenterY, 0);
if (rotateRadar)
{
// rotate the map
pie_MatRotZ(player.r.y);
DrawNorth();
}
pie_RenderRadar();
pie_MatBegin();
pie_TRANSLATE(-radarWidth / 2 - 1, -radarHeight / 2 - 1, 0);
DrawRadarExtras();
pie_MatEnd();
drawRadarBlips(-radarWidth / 2.0 - 1, -radarHeight / 2.0 - 1, pixSizeH, pixSizeV);
pie_MatEnd();
}
void drawRadar()
{
float pixSizeH, pixSizeV;
CalcRadarPixelSize(&pixSizeH, &pixSizeV);
ASSERT_OR_RETURN(, radarBuffer, "No radar buffer allocated");
// Do not recalculate frustum window coordinates if position or zoom does not change
if (playerpos.x != player.p.x || playerpos.y != player.p.y || playerpos.z != player.p.z)
{
setViewingWindow();
}
playerpos = player.p; // cache position
if (frameSkip <= 0)
{
DrawRadarTiles();
DrawRadarObjects();
pie_DownLoadRadar(radarBuffer);
frameSkip = RADAR_FRAME_SKIP;
}
frameSkip--;
pie_SetRendMode(REND_ALPHA);
glm::mat4 radarMatrix = glm::translate(radarCenterX, radarCenterY, 0);
glm::mat4 orthoMatrix = glm::ortho(0.f, static_cast<float>(pie_GetVideoBufferWidth()), static_cast<float>(pie_GetVideoBufferHeight()), 0.f);
if (rotateRadar)
{
// rotate the map
radarMatrix *= glm::rotate(UNDEG(player.r.y), glm::vec3(0.f, 0.f, 1.f));
DrawNorth(orthoMatrix * radarMatrix);
}
pie_RenderRadar(orthoMatrix * radarMatrix);
DrawRadarExtras(orthoMatrix * radarMatrix * glm::translate(-radarWidth / 2.f - 1.f, -radarHeight / 2.f - 1.f, 0.f));
drawRadarBlips(-radarWidth / 2.0 - 1, -radarHeight / 2.0 - 1, pixSizeH, pixSizeV, orthoMatrix * radarMatrix);
}
